Goblin King

Oracle Text

Other Goblin creatures get +1/+1 and have mountainwalk. (They can't be blocked as long as defending player controls a Mountain.)

Card Rulings

8/1/2005 Goblin King now has the Goblin creature type and its ability has been reworded to affect *other* Goblins. This means that if two Goblin Kings are on the battlefield, each gives the other a bonus.